538682481 has 20 divisors (see below), whose sum is σ = 812523712. Its totient is φ = 355629528.

The previous prime is 538682461. The next prime is 538682489. The reversal of 538682481 is 184286835.

It is not a de Polignac number, because 538682481 - 2²⁹ = 1811569 is a prime.

It is a super-2 number, since 2×538682481² = 580357630672630722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538682489) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23941 + ... + 40626.

Almost surely, 2^538682481 is an apocalyptic number.

It is an amenable number.

538682481 is a deficient number, since it is larger than the sum of its proper divisors (273841231).

538682481 is a wasteful number, since it uses less digits than its factorization.

538682481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64682 (or 64673 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 538682481 is about 23209.5342693472. The cubic root of 538682481 is about 813.6624684460.

The spelling of 538682481 in words is "five hundred thirty-eight million, six hundred eighty-two thousand, four hundred eighty-one".